CN208131801U - A kind of punching compound die of double-side side-overturn side punching - Google Patents

Abstract

A stamping composite die with double side turning and side punching, the upper surface of the lower die is the forming surface, the workpiece to be processed is placed above the forming surface, inclined holes and waste grooves are symmetrically processed on both sides of the lower die, and the door guide frame is located on the lower die In the middle part, the door-shaped guide frame includes a guide block, on which an inclined surface is processed, a wedge-shaped block is located above the guide block, and an inclined surface I is processed on the bottom of the wedge-shaped block, and the inclined surface and inclined surface I are combined to form a relative sliding structure. In between, the top of the wedge is processed with slope II, the bending rod and punching tool are installed on the side of the wedge, the upper mold is a rectangular plate, the middle rod is installed in the middle of the upper mold, the slope III is processed on both sides of the middle rod, and the gas spring is installed on a rectangular plate. The two opposite corners of the plate and the left and right sides of the middle rod; one positioning, the relative movement of the upper mold and the lower mold can realize the flanging of both sides and side punching of the workpiece to be processed, the processing accuracy of the device is improved, the process is saved, and the corresponding reduction It reduces the labor intensity of the staff and improves work efficiency.

Description

A Stamping Composite Die for Double Side Turning and Side Punching

technical field

The utility model relates to a stamping composite mold for double-side turning and side punching.

Background technique

The part to be turned over and punched is shown in Figure 7. Now it is necessary to turn both sides of the part outward to form a flanging and punch a hole in the middle (as shown in Figure 8). The traditional processing method is divided into two processes. , which are rollover and punching respectively. Each process is completed after positioning in the corresponding equipment. During this period, the parts need to be positioned twice, resulting in a decrease in processing accuracy. At the same time, the transfer of parts between different equipment also increases the work. Labor intensity of personnel.

Utility model content

Aiming at the deficiencies in the above problems, the utility model provides a stamping composite die with double side turning and side punching.

In order to achieve the above purpose, the utility model provides a stamping composite die for double-side turning and side punching, including:

A lower mold, the upper surface of the lower mold is a molding surface, and the workpiece to be processed is placed above the molding surface;

The two sides of the lower mold are symmetrically processed with mutually penetrating oblique holes and waste grooves;

A door-shaped guide frame, the door-shaped guide frame is located in the middle of the lower mold and installed vertically with the lower mold, the door-shaped guide frame includes a guide block, and an inclined surface is processed on the guide block;

Wedge block, the wedge block is located above the guide block, the bottom of the wedge block is processed with a slope I, the slope and the slope I are combined to form a relative sliding structure, and the compression spring is connected between the wedge block and the guide block between;

The top of the wedge-shaped block is processed with a slope II, and the bending rod and the punching tool are fixedly installed on the side of the wedge-shaped block;

The inclination of the bending rod, the punching tool, the inclined plane, and the inclined plane I is consistent with the inclined hole;

An upper mold, the upper mold is a rectangular plate, the middle rod is installed in the middle of the upper mold, and the two sides of the middle rod are processed with inclined plane III;

Gas springs, the gas springs are installed on the two opposite corners of the rectangular plate and the left and right sides of the middle rod.

As a further improvement of the utility model, a punching bottom die is installed on the upper part of the inclined hole.

As a further improvement of the utility model, the guide block is fixed by an inner plate and an outer plate, and the inner plate is close to the inner wall of the lower mold.

As a further improvement of the utility model, the ends of the bending rods are chamfered.

As a further improvement of the utility model, the punching tool includes a punching knife, a fixed sleeve, and a movable shaft. The punching knife and the fixed sleeve are fixed on the wall of the wedge block, and the movable shaft is placed on the The fixed sleeve is fixed by a shaft card and equipped with a compression spring.

As a further improvement of the utility model, the auxiliary pressing rods are symmetrically installed on both sides of the upper die, and the bottom of the auxiliary pressing rods is processed with an inclined plane IV.

The beneficial effects of the utility model are:

Once positioning, the relative movement of the upper mold and the lower mold can realize the flanging on both sides and side punching of the workpiece to be processed, the processing accuracy of the device is improved, the process is saved, the labor intensity of the staff is correspondingly reduced, and the work efficiency is improved. .

Description of drawings

Fig. 1 is the front view of a kind of stamping composite die of the utility model with double side turning and side punching;

Figure 2 is an enlarged view of position A in Figure 1;

Fig. 3 is the side view of door character guide frame;

Fig. 4 is C-C sectional view among Fig. 3;

Fig. 5 is an enlarged view of position B in Fig. 1;

Figure 6 is an enlarged view of the punching tool;

Fig. 7 is the sectional view of workpiece to be processed;

Fig. 8 is the schematic diagram after processing;

Fig. 9 is the schematic diagram of gas spring work;

Figure 10-12 is a working schematic diagram of side flanging and punching.

In the figure: 1, upper mold; 2, middle rod; 21, inclined plane III; 3, gas spring; 4, auxiliary pressure rod; 41, inclined plane IV; 5, wedge block; 51, inclined plane I; 52, inclined plane II; 6 , bending rod; 61, chamfering; 7, punching tool; 71, punching knife; 72, shaft card; 73, fixed sleeve; 74, pressure spring; 75, movable shaft; 8, workpiece to be processed; 81, turning Side; 82, punching; 9, punching bottom mold; 10, compression spring; 11, lower mold; 111, forming surface; 112, inclined hole; 113, waste chute; 12, door guide frame; 121, outer plate ; 122, guide block; 1221, inclined plane; 123, inner side plate.

Detailed ways

As shown in Figure 1 , a stamping compound mold for double-sided side-turning and side-side punching described in the embodiment of the present invention includes a lower mold 11, the upper surface of the lower mold 11 is a forming surface 111, and the workpiece 8 to be processed is placed on the molding surface. Above the surface 111; the two sides of the lower mold 11 are symmetrically processed with mutually connected inclined holes 112 and waste grooves 113, and the upper part of the inclined holes 112 is equipped with a punching bottom mold 9 (as shown in Figure 2); the door guide frame 12 is located on the lower mold 11 The middle part is vertically installed with the lower mold 11, and the door guide frame 12 includes a guide block 122, on which a slope 1221 is processed; , the distance between the inner side plate 123 and the outer side plate 121 is more than twice the width of the lower die 11, which is convenient for the workpiece 8 to be pushed in from one side (shown in Figures 3 and 4); the wedge block 5 is located above the guide block 122 The bottom of the wedge block 5 is processed with an inclined plane I51, and the inclined plane 1221 and the inclined plane I51 are combined to form a relative sliding structure, and the compression spring 10 is connected between the wedge block 5 and the guide block 122; the top of the wedge block 5 is processed with an inclined plane II52, and the bending rod 6, Punching tool 7 is fixedly installed on the side of wedge block 5; The inclination of bending bar 6, punching tool 7, inclined-plane 1221, inclined-plane 151 is consistent with inclined hole 112; The end processing chamfering 61 of bending bar 6 ( Shown in Fig. 5); punching tool 7 comprises punching knife 71, fixed sleeve 73, movable shaft 75, and punching knife 71 and fixed sleeve 73 are fixed on the wall surface of wedge block 5, and movable shaft 75 is placed in fixed sleeve 73 by shaft The card 72 is fixed and equipped with a compression spring 74 (shown in Figure 6); the upper mold 1 is a rectangular plate, the middle rod 2 is installed in the middle of the upper mold 1, and the two sides of the middle rod 2 are processed with inclined planes III21;

The gas spring 3 is installed on two opposite corners of the rectangular plate and the left and right sides of the middle rod 2; the auxiliary pressing rod 4 is symmetrically installed on both sides of the upper mold 1, and the bottom of the auxiliary pressing rod 4 is processed with an inclined plane IV41.

Once positioning, the relative movement of the upper mold and the lower mold can realize the flanging on both sides and side punching of the workpiece to be processed, the processing accuracy of the device is improved, the process is saved, the labor intensity of the staff is correspondingly reduced, and the work efficiency is improved. .

During specific use, for the convenience of understanding the utility model, it will be described in conjunction with the accompanying drawings;

Placement and positioning of the workpiece to be processed: Push the workpiece from the outside of the door guide frame onto the forming surface of the lower mold, then the upper mold moves down, the gas spring contacts the workpiece before, and the two sides of the rectangular plate The two diagonal points go down, and the gas spring compresses the workpiece to be processed (as shown in Figure 9);

Flanging: The upper mold continues to go down, the bending rod contacts the workpiece (as shown in Figure 10), and at the same time, under the continuous extrusion of the inclined plane II and the inclined plane III, the wedge-shaped block follows the inclined track of the inclined plane (or inclined plane I) Sliding, the compression spring is constantly pressed, and at this moment, the bending rod has realized the processing of flanging 81 (shown in Figure 11);

Further compression: the upper mold continues to go down, at this time, the flange 81 is partly upturned, and the forming is not complete, the auxiliary pressure bar goes down with the upper mold, and the inclined plane IV further compresses the flange, and the forming is completed. At this time, the end of the movable shaft The upper part is in contact with the workpiece to be processed, the pressure spring is pressed, and the punching knife gradually exposes the movable shaft;

Punching: the upper die continues to move downward, the wedge continues to move to both sides, the punching knife processes a punching hole 82 on the workpiece to be processed, after that, the inclined plane II and the inclined plane III are separated, and the position of the wedge remains unchanged.

Exit: The upper die moves up, and under the action of elastic force, the wedge-shaped block resets, and the staff can take out the parts from the original path.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (6)

1. a kind of punching compound die of double-side side-overturn side punching, which is characterized in that including：

The upper surface of lower die (11), the lower die (11) is forming surface (111), and workpiece (8) to be added is placed in the forming surface (111) Top；

Lower die (11) two sides are symmetrily processed with the inclined hole (112) and reject chute (113) being mutually communicated；

Door word guide housing (12), the door word guide housing (12) are located at peace vertical with the lower die (11) in the middle part of the lower die (11) Dress, the door word guide housing (12) includes guide pad (122), processes inclined-plane (1221) on the guide pad (122)；

Wedge block (5), the wedge block (5) are located above the guide pad (122), and wedge block (5) bottom processes inclined-plane I (51), the inclined-plane (1221) combines the opposite slide construction of formation with the inclined-plane I (51), and compressed spring (10) is connected to described Between wedge block (5) and the guide pad (122)；

It is machined with inclined-plane II (52) at the top of the wedge block (5), bending bar (6), punching cutter (7) are fixedly mounted on the wedge The side of shape block (5)；

The bending bar (6), the punching cutter (7), the inclined-plane (1221), the inclined-plane I (51) gradient with it is described Inclined hole (112) is consistent；

Upper mold (1), the upper mold (1) are rectangular slab, and intermediate bar (2) is mounted on the middle part of the upper mold (1), the intermediate bar (2) two sides are machined with inclined-plane III (21)；

Gas spring (3), the gas spring (3) are mounted on the left and right of two diagonal, the described intermediate bars (2) of the rectangular slab Side.

2. a kind of punching compound die of double-side side-overturn side punching according to claim 1, it is characterised in that：The inclined hole (112) top is equipped with punching bed die (9).

3. a kind of punching compound die of double-side side-overturn side punching according to claim 1, it is characterised in that：The guide pad (122) fixed by interior plate (123), outer panel (121), the interior plate (123) and the inner wall of the lower die (11) lean on Closely.

4. a kind of punching compound die of double-side side-overturn side punching according to claim 1 to 3, it is characterised in that：Institute State end processing chamfering (61) of bending bar (6).

5. a kind of punching compound die of double-side side-overturn side punching according to claim 1 to 3, it is characterised in that：Institute Stating punching cutter (7) includes stamping knife (71), fixing sleeve (73), movable axis (75), the stamping knife (71) and the fixing sleeve (73) It is fixed on the wall surface of the wedge block (5), the movable axis (75) is placed in fixed by axis card (72) in the fixing sleeve (73) And it are furnished with pressing spring (74).

6. a kind of punching compound die of double-side side-overturn side punching according to claim 1, it is characterised in that：It assists compression bar (4), The auxiliary compression bar (4) is symmetrically mounted on the upper mold (1) two sides, and the bottom of auxiliary compression bar (4) processes inclined-plane IV (41).